作石脾法

作石脾法

眞白礬石一斤,戎鹽一斤,二物各别擣作末,取苦水二升,著鐺中,煮四五沸,即下二物,煎令半在。以物濾却滓,復煎令盡。即著鐺中沸起,成石脾,色白如雪。用此作硝石,無有不驗,神極畢矣。

End of chapter

Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji

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